Bench Top Temperature Humidity Test Chamber

Model L-TH-WS40
Interior capacity(L) 40
Internal dimension(mm) 300*300*400
External dimension(mm) 540*1200*890
Technical data
Temperature range -20℃ ~180℃, -40℃ ~180℃,-60℃ ~180℃,-70℃ ~180℃    
Temperature deviation ±2.0℃
Temperature fluctuation ±0.5℃
Heating rate 2~3℃ / min  It can be made according to customers requirements
Cooling rate 0.7~1℃ / min  It can be made according to customers requirements
Humidity range 20%RH – 98%RH
Humidity deviation ±3%RH –5%RH
Temperature deviation
Temperature deviation ±2.0℃ Color coated steel plate or stainless steel plate SUS304 for optional
Interior Stainless steel plate SUS304
Thermal insulation Hard urethane foam + glass wool
Configuration
Heater Nichrome Electronic Heater
Fan Centrifugal Fan
Refrigeration mode Mechanical single-stage refrigeration system,
 Mechanical cascade refrigeration system
Refrigerating Compressor Hermetically low noise compressor
Refrigerant R40A, R404A/R23
Controller
Displayer Programmable touch screen controller
Operation mode Program operation, Constant operation
Setting range Temperature range lower limit - 5℃, upper limit +5℃
Display resolution Time：0.1min；Temperature：0.1℃
Sensor PT100
Control mode PID control；BTC Balanced Temperature control
Power supply AC220(±10%)V (50±0.5)Hz single-phase two-wire+ protection ground wire
Standard accessories cable port(Φ50)1pc,specimen shelf 2sets,power cable 1pc
Safety devices Leakage breaker，Interior over heat protector，Fan over heat protector，Compressor over heat protector，Compressor
over pressure protector
Remarks: ※1,Data is tested under temperature +25℃,ambient temperature, without specimen。
2, Above data maybe changed without notice.